At some point in the dawn of humanity, a smarter-than-average homo sapien moved a rock away from the fire for warmth and invented the thermal battery.

April Wilkerson builds an insulated dog house that’s easy to clean, providing your pet with a comfortable and low-maintenance home.

How Chemical Companies Avoid Paying for Pollution DuPont factories pumped dangerous substances into the environment. The company and its offspring have gone to great lengths to dodge responsibility.